The audience of the Ember Island Players found it just as dull.
Fridge Horror: Ty Lee gets a big moment disabling several soldiers attacking the drill. Kind of makes you wonder what was happening on the other side, where the soldiers had to deal with Knife Nut Mai...
Zuko:(to Iroh) "What are you doing, firebending your tea!? For a wise old man, that was a prettystupidmove!"
Unfortunately, the damage has already been done; Jet notices Iroh's tea is suddenly steaming out of the blue and puts two and two together, realizing Iroh and Zuko are Firebenders in disguise, which sends him into a marked rage.
Though some people have argued that this was actually a pretty clever Batman Gambit on Iroh's part to remove Zuko from Jet's influence before he followed him down a dark path.